318204640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8999}}^1$

素因数の和:9044

約数の個数: 96

約数和(自身を含む): 857304000

約数和(自身を除く): 539099360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 7072, 8840, 8999, 17680, 17998, 35360, 35996, 44995, 71992, 89990, 116987, 143984, 152983, 179980, 233974, 287968, 305966, 359960, 467948, 584935, 611932, 719920, 764915, 935896, 1169870, 1223864, 1439840, 1529830, 1871792, 1988779, 2339740, 2447728, 3059660, 3743584, 3977558, 4679480, 4895456, 6119320, 7955116, 9358960, 9943895, 12238640, 15910232, 18717920, 19887790, 24477280, 31820464, 39775580, 63640928, 79551160, 159102320, 318204640]

約数ペア:

[(1, 318204640), (2, 159102320), (4, 79551160), (5, 63640928), (8, 39775580), (10, 31820464), (13, 24477280), (16, 19887790), (17, 18717920), (20, 15910232), (26, 12238640), (32, 9943895), (34, 9358960), (40, 7955116), (52, 6119320), (65, 4895456), (68, 4679480), (80, 3977558), (85, 3743584), (104, 3059660), (130, 2447728), (136, 2339740), (160, 1988779), (170, 1871792), (208, 1529830), (221, 1439840), (260, 1223864), (272, 1169870), (340, 935896), (416, 764915), (442, 719920), (520, 611932), (544, 584935), (680, 467948), (884, 359960), (1040, 305966), (1105, 287968), (1360, 233974), (1768, 179980), (2080, 152983), (2210, 143984), (2720, 116987), (3536, 89990), (4420, 71992), (7072, 44995), (8840, 35996), (8999, 35360), (17680, 17998)]